We are live on ! Find out more
William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+0.39%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$10.6B
AUM Growth
-$28.4M
Cap. Flow
+$48.7M
Cap. Flow %
0.46%
Top 10 Hldgs %
17.73%
Holding
1,332
New
89
Increased
456
Reduced
508
Closed
121

Top Buys

Rank Stock Value
1
XRAY icon
Dentsply Sirona
XRAY
+$51.3M
2
MSFT icon
Microsoft
MSFT
+$36.9M
3
PYPL icon
PayPal
PYPL
+$21.2M
4
AMT icon
American Tower
AMT
+$21.2M
5
OMC icon
Omnicom Group
OMC
+$18.3M

Top Sells

Rank Stock Value
1
SIRO
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
+$57.3M
2
WEX icon
WEX
WEX
+$35.3M
3
ARG
Airgas Inc
ARG
+$29.5M
4
SBAC icon
SBA Communications
SBAC
+$19.6M
5
ESRX
Express Scripts Holding Company
ESRX
+$19M

Sector Composition

Rank Sector Weight
1 Healthcare 18.96%
2 Technology 15.24%
3 Industrials 12.81%
4 Financials 11.94%
5 Consumer Discretionary 11.43%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
NFLX icon
426
Netflix
NFLX
$309B
$2.14M 0.02%
209,390
+38,910
+23% +$382K
CAVM
427
DELISTED
Cavium, Inc.
CAVM
$2.12M 0.02%
34,670
+45
+0.1% +$2.6K
WNS
428
DELISTED
WNS Holdings
WNS
$2.12M 0.02%
69,150
-66,930
-49% -$1.91M
SEP
429
DELISTED
Spectra Engy Parters Lp
SEP
$2.11M 0.02%
43,953
+4,389
+11% +$199K
GEL icon
430
Genesis Energy
GEL
$1.82B
$2.1M 0.02%
66,185
+9,765
+17% +$271K
EFOR
431
Everforth Inc
EFOR
$1.3B
$2.09M 0.02%
56,645
+4,800
+9% +$169K
AET
432
DELISTED
Aetna Inc
AET
$2.09M 0.02%
18,609
+1,265
+7% +$135K
SO icon
433
Southern Company
SO
$107B
$2.08M 0.02%
40,283
-3,566
-8% -$174K
LQD icon
434
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$33B
$2.08M 0.02%
17,513
+384
+2% +$44.1K
IEFA icon
435
iShares Core MSCI EAFE ETF
IEFA
$194B
$2.04M 0.02%
38,395
-6,870
-15% -$350K
AFSI
436
DELISTED
AmTrust Financial Services, Inc.
AFSI
$2.04M 0.02%
78,789
-1,795
-2% -$47.7K
CP icon
437
Canadian Pacific Kansas City
CP
$80.4B
$2.02M 0.02%
76,240
-5,965
-7% -$145K
AIG icon
438
American International
AIG
$42.5B
$2.02M 0.02%
37,376
-104,057
-74% -$5.62M
SRE icon
439
Sempra
SRE
$55.3B
$2.01M 0.02%
38,602
-26
-0.1% -$1.25K
MAS icon
440
Masco
MAS
$15.2B
$2M 0.02%
+63,640
New +$1.75M
CSRA
441
DELISTED
CSRA Inc.
CSRA
$2M 0.02%
+74,203
New +$1.94M
CMI icon
442
Cummins
CMI
$89.7B
$1.99M 0.02%
18,142
-722
-4% -$69.8K
HSIC icon
443
Henry Schein
HSIC
$10.2B
$1.98M 0.02%
29,292
-727
-2% -$45.4K
BKD icon
444
Brookdale Senior Living
BKD
$3.45B
$1.96M 0.02%
123,747
-21,080
-15% -$322K
EL icon
445
Estee Lauder
EL
$31.5B
$1.95M 0.02%
20,713
+503
+2% +$44.8K
TTE icon
446
TotalEnergies
TTE
$188B
$1.95M 0.02%
26,111,138,131
+6,000,748,059
+30% +$600K
NSC icon
447
Norfolk Southern
NSC
$76.8B
$1.93M 0.02%
23,244
+3,020
+15% +$228K
HSY icon
448
Hershey
HSY
$36.1B
$1.93M 0.02%
20,995
-3,602
-15% -$321K
TWTR
449
DELISTED
Twitter, Inc.
TWTR
$1.93M 0.02%
116,772
+28,907
+33% +$506K
LH icon
450
Labcorp
LH
$25.4B
$1.93M 0.02%
19,180
+11,207
+141% +$1.07M
16 17
18
19 20

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

William Blair & Company's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair & Company held 1,332 positions worth $10.6B, down 0.27% from $10.7B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q1 2016 filing shows 89 new, 456 increased, 508 reduced and 121 closed positions. Its largest new stake was Willis Towers Watson: 37,173 shares worth $4.41M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $57.3M.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, down from 20% a quarter earlier, followed by Technology and Industrials.

  • William Blair & Company's largest Q1 2016 buy was Willis Towers Watson: 37,173 shares worth $4.41M.
  • William Blair & Company added most to Dentsply Sirona in Q1 2016, an estimated $51.3M increase.
  • William Blair & Company's biggest Q1 2016 reduction was WEX, cutting an estimated $35.3M.
  • William Blair & Company fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $57.3M.
  • William Blair & Company's ten largest holdings make up 18% of its $10.6B portfolio in Q1 2016.
  • William Blair & Company opened 89 new positions and closed 121 in Q1 2016.
  • William Blair & Company's portfolio value fell 0.27% quarter-over-quarter to $10.6B.

Based on William Blair & Company's 13F filing for Q1 2016, filed 16 May 2016.